Quote:
Originally Posted by Merlin66
The raw image shows the camera is not aligned with the grating, seems to also be sitting a bit off centre ( too low?) and the illumination is not central to the slit. What exposure did you use? There seems to be some light getting in on the LHS which will affect contrast and s/n. All these are easy fixes and will improve the resolution even more!!
Any images of the "final" construction??
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Thanks Ken.
Nothing was set-up, just thrown together.
No alignment or even a cover for the optics -just set up on the kitchen table (proped up on books), with all lights off except the target in another room.
In all, just to see if it may work. Seems so.
